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  Mammal Species of the World - Browse: Phenacomys

  http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?s=y&id=13000333

  Mammal Species of the World: Information on Phenacomys

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  Flowering Plants. Monocotyledons: Alismatanae and Commelinanae (except ... - Google Books

  https://books.google.de/books?id=bNQDsSmx2roC

  When Rolf Dahlgren and I embarked on preparing this book series, Rolf took prime responsibility for monocotyledons, which had interested him for a long time. After finishing his comparative study and family classification of the monocots, he devoted much…

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